IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Letter
Detection of Lightning Return Strokes Hitting Wind Turbines in Winter by JLDN
Masaru IshiiFumiyuki FujiiMikihisa SaitoDaisuke NatsunoAkiko Sugita
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2013 Volume 133 Issue 12 Pages 1009-1010

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Abstract

In winter of 2010 and 2011, 65 return stroke currents were observed by Rogowski coils at 14 wind turbines in the coastal area of the Sea of Japan. Performance of JLDN, a large-scale lightning location system (LLS), in lightning detection is evaluated by comparison with the ground-truth data. Detection efficiency of JLDN highly depended on the peak current of return strokes, and strokes more than 15kA in their peak values were all detected by JLDN irrespective of the polarity of the current. Absolute values of the peak current estimated by JLDN were on the average about 20% smaller than the directly measured values.

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© 2013 by the Institute of Electrical Engineers of Japan
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